5 Most Incredible Discoveries of the Week Including the world's first successful 'dead heart' transplants By Newser Editors, Newser Staff Posted Oct 25, 2014 5:18 AM CDT 0 comments Comments (Shutterstock) (Newser) – A dinosaur with "horrible" hands and an ancient Ukrainian temple make the list: Docs Transplant 'Dead Hearts' Into 3 Patients: An Australian heart transplant unit has been toiling for 20 years to transplant a "dead heart" (one that's not still beating in a brain-dead donor) into a live patient, and they've finally done it not once, but three times. The process behind how it's done is fascinating. Skip Coffee Before a Big Meeting, Introverts: That java jolt might not boost your performance and may actually have the opposite effect for inward-facing individuals. While a new book says that extroverts may indeed benefit from a cup or two of joe before congregating in the conference room, "introverts perform less well." It all goes back to fundamental differences between the extrovert and introvert brain. Mountain Camp Proves Ice Age Humans Were Tough: Archaeologists who found ancient settlements 3 miles above sea level in the Peruvian Andes were surprised to learn humans lived there between 12,000 and 13,000 years ago. But it wasn't the view that lured them. Meet the Humpbacked Dinosaur With 'Horrible' Hands: A half-century ago, researchers found two arms in the Mongolian desert that clearly belonged to a big dinosaur—they were 8 feet long and ended in nasty claws. Now, scientists have pieced together the rest of Deinocheirus mirificus (which roughly translates into “unusual horrible hand"), and it's not pretty. Ancient Temple Found Filled With Animal Bones: A stunning find in Ukraine: a temple that's said to be older than the invention of writing. The wood-and-clay structure contains lots of animal bones—perhaps the remains of animals sacrificed on the building's eight platforms made of clay. Also inside: Hair accessories? Click to read about more discoveries, including another excavated sphinx head and serious flaws in the supposed identification of Jack the Ripper.